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I was looking at my bicep the other day and noticed something; my inner bicep has a nice little "bulge" going on* but my outer bicep doesn't - it's much flatter.

Is this normal and will it ammend itself as my bicep develops or should I focus on using more exercises to develop my outer bicep?

Thanks,

Russ.

* when I mean bulge, I mean width and not height.

The biceps, have two heads: inner and outer. When training the biceps, a third muscle, the brachialis, (under the bicep) is often neglected but important because it adds size, width, and shape to your arm.